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| EHWD Technical and Operations Manual with appendices.pdf | |
| Handle: | v_Document-89656 |
| Owner: | Tosi, Delia (User-511, detosi:LDAP)DS |
| Saturday, October 2, 2021 04:13:16 PM CDT | |
| Saturday, October 2, 2021 04:13:16 PM CDT | |
| Modified By: | |
| - Chapter 1: Introduction to Hot Water Drilling 1-1 Chapter 1 CHAPTER 1 1: INTRODUCTION TO HOT WATER DRILLING 1.1 Introduction: Hot water drilling is used in situations where access holes in ice are required in very quick time. - Due to the fact that a given volume of ice will result in a smaller volume of water when it is melted (as shown in Figure 1.1), the volume of water pumped back out of the hole can only be about 90% of the water deposited. - Over time this causes the surrounding ice to melt and results in a reservoir of water. - The heaters are scaled to provide the required water temperature rise at the required flow rate. - If this drill head is a larger diameter th... | |
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| Appears In: | EHWD Technical and Operations Manual with appendices.pdf |
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